VVvmtouch 1 likevmtouch is a tool for learning about and controlling the file system cache of unix and unix-like systems. It is BSD licensed so you can basically do whatever you want with it.Cost / LicenseFreeOpen Source (BSD-3-Clause)OriginUnited StatesPlatformsMacLinuxSolarisFreeBSDHP-UXOpenBSDBest alternatives are ImDisk Virtual Disk Driver1 alternatives